72590087 has 2 divisors, whose sum is σ = 72590088. Its totient is φ = 72590086.

The previous prime is 72590081. The next prime is 72590099. The reversal of 72590087 is 78009527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72590087 - 2⁴ = 72590071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72590087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72590081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36295043 + 36295044.

It is an arithmetic number, because the mean of its divisors is an integer number (36295044).

Almost surely, 2^72590087 is an apocalyptic number.

72590087 is a deficient number, since it is larger than the sum of its proper divisors (1).

72590087 is an equidigital number, since it uses as much as digits as its factorization.

72590087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 72590087 is about 8519.9816314356. The cubic root of 72590087 is about 417.1501835083.

The spelling of 72590087 in words is "seventy-two million, five hundred ninety thousand, eighty-seven".